Hands-free telephone device



FIG. 1 is a front perspective view taken from the right side of a hands-free telephone device showing our new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a top view thereof.

The broken lines represent the logo structure of the hands-free telephone device, which forms no part of the claimed design. 

The ornamental design for a hands-free telephone device, as shown and described. 